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USGS 01088400 MERRIMACK RIVER AT CONCORD, NH
Data Type Begin Date End Date Count
 Field measurements 1979-04-09  2001-04-20  11 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1979-04-09  1982-09-15  43 
 Revisions  Loading...
USGS 430740070530201 NH-DPW 164
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1987-12-31  1987-12-31  1 
 Revisions  Loading...